Home
Class 12
PHYSICS
A pure semiconductor...

A pure semiconductor

A

an extrinsic semiconductor

B

an intrinsic semiconductor

C

p-type semiconductor

D

n-type semiconductor

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • FEBRUARY 2018

    GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS|Exercise SECTION-II|21 Videos

  • FEBRUARY 2016

    GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS|Exercise SECTION-II|21 Videos

  • FEBRUARY 2019

    GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS|Exercise SECTION-D|6 Videos

Similar Questions

Explore conceptually related problems

The diagram Fig.12 shown a piece of pure semiconductor S in series with a variable resistor R, and a source of constant voltage V. Would you increase or decrease the value of R to keep the reading of ammeter constant, when semi-conductor S is heated? Give reason.

The process of adding impurities to the pure semiconductor is called

In extrinsic P and N - type, semiconductor materials, the ratio of the impurity atoms to the pure semiconductor atoms is about

Draw the "energy bands" diagram for a (i) pure semiconductor (ii) insulator. How does the energy band, foe a pure semiconductor, get affected when this semiconductor is doped with an acceptor impurity donor impurity? Hence discuss why the 'holes' and the 'electrons' respectively, become the 'majority charge carriers' in these two cases.

In pure semiconductor, the number of conduction electrons is 6 xx 10^18 per cubic metre. How many holes are there in a sample of size 1 cm x 1 cm x 1 mm?

A piece of pure semiconductor of silicn of size 1cm xx 1 cm xx 1 mm is having 5 xx 10^(28) number of atoms per cubic metre. It is doped simultaneously with 5 xx 10^(22) atoms per m^(3) of aresenic adn 5 xx 10^(20) per m^(3) atoms of indium. The number density of intrisic current carrier (electrons adn holes) in the pure silicon semiconductor is 1.5 xx 10^(16) m^(-3) . Mobility of electron is 3800 cm^(2) V^(-)S^(-1) Ratio of conductivity of doped silicon and pure silicon semiconductor is

A piece of pure semiconductor of silicn of size 1cm xx 1 cm xx 1 mm is having 5 xx 10^(28) number of atoms per cubic metre. It is doped simultaneously with 5 xx 10^(22) atoms per m^(3) of aresenic adn 5 xx 10^(20) per m^(3) atoms of indium. The number density of intrisic current carrier (electrons adn holes) in the pure silicon semiconductor is 1.5 xx 10^(16) m^(-3) . Mobility of electron is 3800 cm^(2) V^(-)S^(-1) The conductivity of doped semiconductor (in Sm^(-1)) is

A piece of pure semiconductor of silicn of size 1cm xx 1 cm xx 1 mm is having 5 xx 10^(28) number of atoms per cubic metre. It is doped simultaneously with 5 xx 10^(22) atoms per m^(3) of aresenic adn 5 xx 10^(20) per m^(3) atoms of indium. The number density of intrisic current carrier (electrons adn holes) in the pure silicon semiconductor is 1.5 xx 10^(16) m^(-3) . Mobility of electron is 3800 cm^(2) V^(-)S^(-1) The number of electrons in this semiconductor are

GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS- FEBRUARY 2018-SECTION-II
  1. In interference pattern, using two coherent sources of light, the fri...

    Text Solution

    |

  2. The electric field at a distance r from a long wire having charge per ...

    Text Solution

    |

  3. S.I. unit of potential gradient is

    Text Solution

    |

  4. The momentum associated with photon is given by ….. .

    Text Solution

    |

  5. A pure semiconductor

    Text Solution

    |

  6. If a glass plate refractive index is 1.732 is to be used as a polarise...

    Text Solution

    |

  7. State the conditions for constructive and destructive inter-ference of...

    Text Solution

    |

  8. State and explain Ampere's law.

    Text Solution

    |

  9. Draw a neat and labelled block diagram of a receiver.

    Text Solution

    |

  10. Define magnetization. Write its S.I. unit and dimensions.

    Text Solution

    |

  11. The electron in the hydrogen atom is moving with a speed of 2.5 xx 10^...

    Text Solution

    |

  12. A capacitor of capacitance 0.5 muF is connected to a source of alterna...

    Text Solution

    |

  13. Calculate the de-Broglie wavelength of an electron moving with one fif...

    Text Solution

    |

  14. In cyclotron, magnetic field of 1.4 Wb//m^(2) is used. To accelerate ...

    Text Solution

    |

  15. Draw a circuit diagram of a meter bridge used to determine the unknown...

    Text Solution

    |

  16. What is Zener diode? How is it used as voltage regulator?

    Text Solution

    |

  17. In a biprism experiment, light of wavelength 5200 Å is used to get an ...

    Text Solution

    |

  18. The refractive indices of water and diamond are (4)/(3) and 2.42 respe...

    Text Solution

    |

  19. Prove theoretically the relation between e.m.f. induced in a coil and ...

    Text Solution

    |

  20. Draw a neat and labelled energy level diagram and explain Balmer serie...

    Text Solution

    |